If $A$ is any set, then
If $A$ is any set, then
- A
$A \cup A' = \phi $
- B
$A \cup A' = U$
- C
$A \cap A' = U$
- D
None of these
Similar Questions
Given $n(U) = 20$, $n(A) = 12$, $n(B) = 9$, $n(A \cap B) = 4$, where $U$ is the universal set, $A$ and $B$ are subsets of $U$, then $n({(A \cup B)^C}) = $
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$A=\{a, b, c\}$